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sodium metasilicate

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noun sodium meta·sil·i·cate \-ˌme-tə-ˈsi-lə-ˌkāt, -ˈsi-li-kət\

Definition of sodium metasilicate

  1. :  a toxic corrosive crystalline salt Na2SiO3 used especially as a detergent or as a substitute for phosphates in detergent formulations

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First Known Use of sodium metasilicate

circa 1926

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